string(310) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BA%8C%E7%BB%B4%E7%A0%81%E5%8F%B7%E7%A0%81%E4%B8%8B%E9%9D%A2%E7%9A%84%E6%95%B0%E5%AD%97%E6%B3%84%E9%9C%B2%E6%9C%89%E5%8D%B1%E9%99%A9%E5%90%97 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
二维码号码下面的数字泄露有危险吗
